APremium V6 3.8L Upper Intake Manifold with Gasket — Chevy, Buick, Olds, Pontiac Fitment

Overview

Designed for GM 3.8L V6 engines, the A-Premium V6 3.8L upper intake manifold with gasket is crafted to support steady air delivery and durable performance across a broad range of popular GM models. Built with precision molding and robust plastic, this manifold maintains a stable shape under varying temperatures and RPMs, helping the engine breathe more efficiently as you accelerate, merge, or climb hills. While results can vary by vehicle and condition, many drivers report a smoother idle and a more predictable throttle response when installed correctly.

The inner wall is engineered to reduce turbulence, promoting a smoother air path into the cylinders. This thoughtful design pairs with a gasket included in the package to support a clean seal and straightforward installation, making it a practical upgrade or replacement for aging components.

Vehicle Fitment

This upper intake manifold targets GM 3.8L V6 engines and spans multiple Buick, Chevrolet, Oldsmobile, and Pontiac models. Use the list below as a quick reference to common fitment.

• Buick LeSabre 1996-2005
• Buick Park Avenue 1995-2005
• Buick Regal 1996-2004
• Buick Riviera 1995-1997
• Chevrolet Impala 2000-2005
• Chevrolet Lumina 1998-1999
• Chevrolet Monte Carlo 1998-2005
• Oldsmobile 88 1995-1999
• Oldsmobile 98 1995-1996
• Oldsmobile Intrigue 1998-1999
• Oldsmobile LSS 1996-1999
• Oldsmobile Regency 1997-1998
• Pontiac Bonneville 1995-2005
• Pontiac Grand Prix 1997-2003

Key Specifications

• Maximum Height (Front, Rear, Center): 6.5 in
• Length: 16 in
• Width: 7 in
• Single Plane Type
• Port Quantity: 6
• Material: Plastic
• Color: Black
• Gasket Included: Yes

Design and Build

The A-Premium upper intake manifold is crafted from durable plastic with a black finish, designed for consistent dimensions and a secure gasket seal. The six-port configuration supports balanced air distribution, while the compact, single-plane design helps keep installation straightforward on compatible GM engines.

Benefits and Practical Use

• Premium materials and precision manufacturing for stable, reliable structure
• Smooth inner wall minimizes airflow turbulence for a steadier air path
• Potential for smoother acceleration and more predictable engine cadence under varied loads
• Gasket included for a clean, leak-resistant seal and easier installation

Warranty and Confidence

Buy with confidence. A-Premium provides a one-year unlimited-mileage guarantee on the intake manifold and a broad catalog of automotive accessories to support your repair or upgrade project.